:root {
  --bg1: #0f172a;
  --bg2: #3b1076;
  --accent: #7c3aed;
  --muted: rgba(255, 255, 255, 0.72);
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  background: linear-gradient(135deg, var(--bg1), var(--bg2));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.card {
  width: 100%;
  max-width: 720px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02));
  border-radius: 18px;
  padding: 48px 36px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
  text-align: center;
  backdrop-filter: blur(6px);
}

.logo {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  border-radius: 14px;
  background: linear-gradient(135deg, #ffffff10, #ffffff04);
  display: grid;
  place-items: center;
}

h1 {
  font-size: 52px;
  font-weight: 800;
  margin: 0 0 12px;
  letter-spacing: -1px;
}

h2 {
  font-size: 20px;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 28px;
}

p {
  color: var(--muted);
  font-size: 18px;
  margin-bottom: 24px;
}

.socials {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 20px;
}

.socials a {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  text-decoration: none;
  color: white;
  font-size: 20px;
  transition: background 0.3s;
}

.socials a:hover {
  background: rgba(255, 255, 255, 0.15);
}

.contact {
  margin-top: 32px;
  text-align: center;
}

.call-button {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  font-size: 20px;
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.08);
  padding: 14px 22px;
  border-radius: 14px;
  transition: background 0.3s;
}

.call-button i {
  margin-right: 6px;
}

.call-button:hover {
  background: rgba(255, 255, 255, 0.18);
}

.call-text {
  font-size: 14px;
  font-weight: 400;
  color: var(--muted);
}

footer {
  margin-top: 24px;
  font-size: 13px;
  color: var(--muted);
}